Transaction

{
  "update_price_feed": {
    "vaa": "UE5BVQEAAAADuAEAAAAGDQCs+vD4sT5mARCqWLc51nHqJeXuHV7YP3NUUbJQHlI8bXSQLsT3WMjd/1Z3… (1,748 chars)"
  }
}